Social Contract Theory: A theory suggesting people live together in society in accordance with an agreement that establishes moral and political rules. It's like agreeing on house rules before moving into a shared apartment!
Constitutionalism: The belief that governments should operate according to an agreed set of principles, which are usually spelled out in a written constitution. It's like having a rulebook for a board game that everyone must follow.
Human Rights: These are rights inherent to all human beings, regardless of race, sex, nationality, ethnicity, language, religion or any other status. They're like the universal rules of respect and fairness we should all follow.